Intel Xeon Processor with 533 MHz Front Side Bus at 2 GHz to 3.20 GHz
57
1. In systems utilizing the Intel Xeon processor, the system
designer must pull-up these signals to the processor VCC.
2. Baseboards treating AA3 and AB3 as Reserved will operate
correctly with a bus clock of 133 MHz.
AC20
D25#
Source Sync
Input/Output
AC21
D26#
Source Sync
Input/Output
AC22
VCC
Power/Other
AC23
D23#
Source Sync
Input/Output
AC24
D20#
Source Sync
Input/Output
AC25
VSS
Power/Other
AC26
D17#
Source Sync
Input/Output
AC27
DBI0#
Source Sync
Input/Output
AC28
NC
Reserved
AC29
NC
Reserved
AC30
VSS
Power/Other
AC31
VCC
Power/Other
AD1
Reserved
AD2
VCC
Power/Other
AD3
VSS
Power/Other
AD4
VCCIOPLL
Power/Other
Input
AD5
TESTHI5
Power/Other
Input
AD6
VCC
Power/Other
AD7
D57#
Source Sync
Input/Output
AD8
D46#
Source Sync
Input/Output
AD9
VSS
Power/Other
AD10
D45#
Source Sync
Input/Output
AD11
D40#
Source Sync
Input/Output
AD12
VCC
Power/Other
AD13
D38#
Source Sync
Input/Output
AD14
D39#
Source Sync
Input/Output
AD15
VSS
Power/Other
AD16
COMP0
Power/Other
Input
AD17
VSS
Power/Other
AD18
D36#
Source Sync
Input/Output
AD19
D30#
Source Sync
Input/Output
AD20
VCC
Power/Other
AD21
D29#
Source Sync
Input/Output
AD22
DBI1#
Source Sync
Input/Output
AD23
VSS
Power/Other
AD24
D21#
Source Sync
Input/Output
AD25
D18#
Source Sync
Input/Output
AD26
VCC
Power/Other
Table 39. Pin Listing by Pin Number
Pin No.
Pin Name
Signal
Buffer Type
Direction
AD27
D4#
Source Sync
Input/Output
AD28
NC
Reserved
AD29
NC
Reserved
AD30
VCC
Power/Other
AD31
VSS
Power/Other
AE2
VSS
Power/Other
AE3
VCC
Power/Other
AE4
SMD_PRT
Ground
Output
AE5
TESTHI6
Power/Other
Input
AE6
SLP#
Async GTL+
Input
AE7
D58#
Source Sync
Input/Output
AE8
VCC
Power/Other
AE9
D44#
Source Sync
Input/Output
AE10
D42#
Source Sync
Input/Output
AE11
VSS
Power/Other
AE12
DBI2#
Source Sync
Input/Output
AE13
D35#
Source Sync
Input/Output
AE14
VCC
Power/Other
AE15
Reserved
AE16
Reserved
AE17
DP3#
Common Clk
Input/Output
AE18
VCC
Power/Other
AE19
DP1#
Common Clk
Input/Output
AE20
D28#
Source Sync
Input/Output
AE21
VSS
Power/Other
AE22
D27#
Source Sync
Input/Output
AE23
D22#
Source Sync
Input/Output
AE24
VCC
Power/Other
AE25
D19#
Source Sync
Input/Output
AE26
D16#
Source Sync
Input/Output
AE27
VSS
Power/Other
AE28
VID_VCC
Power/Other
AE29
VID_VCC
Power/Other
AE30
Mechanical
Key
Table 39. Pin Listing by Pin Number
Pin No.
Pin Name
Signal
Buffer Type
Direction